RLM02 PROFIBUS Redundancy Link Module

The RLM02 converts a non-redundant PROFIBUS line into two reciprocally redundant RS485 lines (A/B) or vice versa, featuring automatic line selection, repeater functionality, and redundant power supply. It monitors all three lines for activity and errors, supports transmission rates from 9.6 kbit/s to 12 Mbit/s, and provides status LEDs, a potential-free alarm contact, and simple DIN rail mounting.